Improved churn



UNITED STATES v PATENT OEEICE.

S.y W. MUDGE, OF ROME, NEW YORK.

IMPROVED CHURN.

To all whom it may concern/.j

Beit known that I, S. W. MUDGE, of Rome, in the county of Oneida and State of New York, have invented a new and Improved Ohurn; and I do hereby declare that the following is a full, clear, and exact .description ot' the same, reference being had to the annexeddrawings, making a partof this specification, in whichj Figure l is a sectional elevation of my invention, taken in the line a: az, Fig. 2; Fig. 2, a horizontal section of the same in the line y y, Fig. l; Fig. 3, a plan or top view of the inner plate of the same.

Similar letters of reference indicate corresponding parts in the several iigures.

This invention consists in the employment or use ofl a rotating dasher of peculiar construction in connection with ribs provided with concave sides and attached to the inner side of the case, all being arranged as hereinafter described, whereby the cream as the n dasher is rotated is subjected to a great agitation, suiliciently so to remove the coating of the globules containing the butter in a very short time and Without injuring its grain and communicating to it that oily taste and insipidity produced by subjecting the cream to an undue action and violently breaking or rupturing the globules.

To enable those skilled in the art to fully Vunderstand and construct my invention, I

will proceed to describe it.

A represents the case of the churn, which may be of cylindrical or conical formand provid ed with a central shaft B, the lower end of which is stepped at the center of the bottom of the churn, as shown at a, the upper end of the shaft having its bearing in thelid b of the churn, as shown in Fig. l.

To the inner side of the case A there are att-ached ribs C. Any proper number may be used. Three or four would, however, probably be suflicient. These ribs have each two concave sides c c, as shown clearly in Fig. 2, and the ribs do not extend down to the bottom of the churn, a sufficient space being allowed to admit of the ends of the dasher working below them.

The dasher D is formed of a horizontal bar CZ, attached to or placed` on the lower end of the shaft B. This bar is provided near its ends with two uprights e e, which are of lozenge form in their transverse section, as shown clearly in Fig. 2. The central portion l against the ribs.

f of the bar dis also of lozenge form, as

shown in Fig. 2, and there is a recess gin the.

bar d between each upright e and the central portion f, as shown clearly in Fig. 1.

The outer parts 'lt h ot' the bar d beyond the uprights e e are considerably higher than the other part, and said parts h work under the ribs C, as shown clearly in Fig. l. The parts 71. of the bar d are of inverted-V form in their transverse section.

The operation is as follows: As the shaft B is rotated the uprights c c project the cream against the ribs O, which, in consequence of having concave sides, deflect the cream toward the center of the churn or shaft B,vsaid motion being favored by the inner parts 0.x of the uprights e, the outer parts a of the uprights projecting the cream toward the ribs. The cream passes down to the bottom of the churn, and is then impelled by centrifugal force outward to the side of the case A and upward, the latter motion being given it by the outer parts h 7i of the bar cl, and the uprights then act as before and project it Thus it will beseen that each rib in connection with the dasher forms a whirlpool within the churn or case A, as shown by the arrows in Figs. l and 2, and the cream is agitated to such a degree as to cause butter to be produced in a very short hline.

On the upper part of the shaft B there is placed a circular plate D, which rotates with the shaft and rests on a ledge 't' at the inner side'of the churn, as shown in Fig. l. This plate D has two radial slots or openings j j lmade in it, over which hoods it are placed, as shown in Fig. 1. These hoods as the shaftB rotates canse air to be introduced or forced into the churn, thereby favoring to a certain degree the production of the butter.

I do not claim the forcing of atmospheric air into the churn during the process of churning, for that has been previously done; but

I do claim as new and desire to secure by Letters Patent- The arrangement of the dasher-bar d, uprights c e f, recesses g, and lateral projections h-h, with the double concave ribs and case A, as and for the purpose herein shown and described.

y S. W. MUDGE.

Witnesses:

L. E. ELMER, H. M. LAWTON. 

